A:
After you have installed the app for Wemo and ensure the switch is working with the Wemo app, simply go to the Alexa app, go to Skills and search for Wemo, then enable the Wemo skill. Then go to Home Control in the Alexa app and search for devices. Whatever you named your device in Wemo should appear and be controllable by Alexa by name. In Alexa app, you can then create a group name for that device so you can address it by another name or as part of a room. Then say, "Alexa, turn on Living Room," or "Alexa, turn on table lamp..."